422330647 has 2 divisors, whose sum is σ = 422330648. Its totient is φ = 422330646.

The previous prime is 422330593. The next prime is 422330663. The reversal of 422330647 is 746033224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 422330647 - 2²⁷ = 288112919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422333647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211165323 + 211165324.

It is an arithmetic number, because the mean of its divisors is an integer number (211165324).

Almost surely, 2^422330647 is an apocalyptic number.

422330647 is a deficient number, since it is larger than the sum of its proper divisors (1).

422330647 is an equidigital number, since it uses as much as digits as its factorization.

422330647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 31.

The square root of 422330647 is about 20550.6848304381. The cubic root of 422330647 is about 750.2699158859.

The spelling of 422330647 in words is "four hundred twenty-two million, three hundred thirty thousand, six hundred forty-seven".